Donna Alzaga, M.D.
NPI 1609069251 · Internal Medicine Physician · Marshall, TX
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Donna Alzaga, M.D. is a Internal Medicine Physician provider in Marshall, TX (NPI 1609069251).
Provider details
- NPI number
- 1609069251
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- M7009 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
619 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 303 | $77 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 138 | $111 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 107 | $114 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 56 | $126 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 15 | $170 |
Typical Medicare-allowed amounts for these services range $77–$170 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 28 | 27 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 27 | 27 |
| Cefdinir | 27 | 26 |
| Furosemide | 27 | 25 |
| Atorvastatin Calcium | 19 | 19 |
| Methylprednisolone | 18 | 18 |
| Apixabanbrand: Eliquis | 16 |
Practice location
Mailing address
Additional practice locations (2)
- 2001 N Jefferson AveMount Pleasant, TX 75455-2338Phone: (903) 577-6000Fax: (903) 577-6245
- 5002 Cowhorn Creek RdTexarkana, TX 75503-9766Phone: (903) 614-3000Fax: (903) 614-3525
Registry dates
- Enumerated
- 2007-08-27
- Last updated
- 2025-01-14
- Certified
- 2025-01-14
Frequently asked questions
- What is Donna Alzaga's NPI number?
- Donna Alzaga's National Provider Identifier (NPI) is 1609069251, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Donna Alzaga's specialty?
- Donna Alzaga is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Donna Alzaga located?
- Donna Alzaga's practice location on file with NPPES is 811 S Washington Ave, Marshall, TX 75670.
- What is Donna Alzaga's phone number?
- The practice phone number listed in the NPPES registry for Donna Alzaga is (903) 315-1488.
- Does Donna Alzaga accept Medicare?
- Donna Alzaga is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Donna Alzaga's NPI active?
- Yes — Donna Alzaga's NPI (1609069251) is active in the NPPES registry as of the last update on 2025-01-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.